Home / 106,637.38-147,159.09-58,890.52

Finding the Fourth Proportional to 106,637.38, 147,159.09 and 58,890.52

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Solution

The fourth proportional to 106,637.38, 147,159.09 and 58,890.52 is: 81,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,637.38 : 147,159.09 = 58,890.52 : x
  2. Step 2: Convert to fraction form
    106,637.38/147,159.09 = 58,890.52/x
  3. Step 3: Cross multiply
    106,637.38x = 147,159.09 × 58,890.52
  4. Step 4: Simplify right side
    106,637.38x = 8,666,275,332.83
  5. Step 5: Solve for x
    x = 8,666,275,332.83/106,637.38
  6. Step 6: Final answer
    x = 81,268.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.